<template>
  <div class="app-container">
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>


    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      element-loading-text="数据加载中"
      :data="teacherList"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (current - 1) * size + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/update/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="current"
      :page-size="size"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>

<script>
import teacherApi from '@/api/edu/teacher'

export default {
  data() {
    return {
      listLoading: true, // 是否显示loading信息
      teacherList:null,
      pages:0,
      total:0,
      current:1,
      size:6,
      teacherQuery:{}
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList(page=1) {
      console.log(this.teacherQuery)
      this.current=page;
      this.listLoading = true
      teacherApi.getTeachersCondition(this.current, this.size, this.teacherQuery)
        .then(response =>{
            if(response.success === true) {
              this.pages = response.data.pages
              this.total = response.data.total
              this.teacherList = response.data.data
            }
            this.listLoading = false
        })
    },
    resetData() {
      this.teacherQuery = {};
      this.getList()
    },
    getDataById(id) {
      teacherApi.getTeacherById(id)
      .then(response => {
        console.log(response.data.data)
        return response.data.data
      })
    },
    removeDataById(id) {
      this.$confirm(`此操作将删除该讲师, 是否继续?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          teacherApi.removeTeacherById(id)
            .then(response => {
              if (response.success === true) {
                this.$message({
                  type: 'success',
                  message: '删除成功!'
                });
                this.getList()
              }
            }).catch((error) => {
              this.$message({
                  type: 'error',
                  message: '删除失败'
                });
            })
          
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });
    },
  }
}
</script>
